On March 6, 1869, Dmitri Mendeleev presented the first periodic table.
118 confirmed elements in the periodic table
atomic weights
chemical elements
chemical properties
chemistry textbook
Dmitri Mendeleev
Father of Periodic Table
Ga (gallium)
Ge (germanium)
Media India Group
MIG
Migtv
periodic table
predict undiscovered elements
Russian Chemical Society
Russian scientist Dmitri Mendeleev
Technetium was the first man-made element
The Principles of Chemistry